This electroscope comprises of a metal case with transparent front and back. The highly insulating bush at the top of the case takes either a disc top plate 50mm diameter or a metal hook. It has a transparent scale and is fitted with a 4mm socket.
This electroscope comprises of a metal case with transparent front and back. The highly insulating bush at the top of the case takes either a disc top plate 50mm diameter or a metal hook. It has a transparent scale and is fitted with a 4mm socket.
